பிரெட்ஷ்ணைடரின் வாய்பாடு (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "பிரெட்ஷ்ணைடரின் வாய்பாடு" in Tamil language version.

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archive.org (Global: 6^th place; Tamil: 8^th place)

Hobson, E. W. (1918). A Treatise on Plane Trigonometry. Cambridge University Press. pp. 204–205.

doi.org (Global: 2^nd place; Tamil: 4^th place)

dx.doi.org

Coolidge, J. L. (1939). "A Historically Interesting Formula for the Area of a Quadrilateral". The American Mathematical Monthly 46 (6): 345–347. doi:10.2307/2302891.

upit.ro (Global: low place; Tamil: low place)

matinf.upit.ro

E. A. José García, Two Identities and their Consequences, MATINF, 6 (2020) 5-11. [1]